Power Systems Which of the following transformer is used in sub station for operating a protective relay? distribution transformer auto transformer capacitor voltage transformer All of these distribution transformer auto transformer capacitor voltage transformer All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the inertia constant H = 10 MJ/MVA for a 50 MVA generator, the stored energy is 10 MJ 5 MJ 50 MJ 500 MJ 10 MJ 5 MJ 50 MJ 500 MJ ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the transmitted voltage? 18.18 kV 36. 36 kV 100 kV 30.6 Kv 18.18 kV 36. 36 kV 100 kV 30.6 Kv ANSWER DOWNLOAD EXAMIANS APP
Power Systems What are the tests performed for oil-filled and gas-filled cables ? Thermal stability test. Load cycle tests. Impulse tests. All of these. Thermal stability test. Load cycle tests. Impulse tests. All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ideal plant load cfactor is greater than 1 0 less than 1 1 greater than 1 0 less than 1 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems For symmetrical network, the neutral current is maximum infinity zero any of the above maximum infinity zero any of the above ANSWER DOWNLOAD EXAMIANS APP
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